decompression

noun

de·​com·​pres·​sion -ˈpresh-ən How to pronounce decompression (audio)
: the act or process of releasing from pressure or compression: as
a
: reduction of pressure:
(1)
: the decrease of ambient air pressure experienced in an air lock on return to atmospheric pressure after a period of breathing compressed air (as in a diving bell or caisson) or experienced in ascent to a great altitude without a pressure suit or pressurized cabin
(2)
: the decrease of water pressure experienced by a diver when ascending rapidly
b
: an operation or technique used to relieve pressure upon an organ (as in fractures of the skull or spine) or within a hollow organ (as in intestinal obstruction)

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Cite this Entry

“Decompression.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/decompression. Accessed 5 Feb. 2023.

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